CN107928752B - Surgical ultrasonic knife with disposable knife head - Google Patents
Surgical ultrasonic knife with disposable knife head Download PDFInfo
- Publication number
- CN107928752B CN107928752B CN201711411610.0A CN201711411610A CN107928752B CN 107928752 B CN107928752 B CN 107928752B CN 201711411610 A CN201711411610 A CN 201711411610A CN 107928752 B CN107928752 B CN 107928752B
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- China
- Prior art keywords
- cutter head
- blade
- sheath
- ultrasonic
- tool bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000011084 recovery Methods 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 6
- 230000001066 destructive effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 238000001356 surgical procedure Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320072—Working tips with special features, e.g. extending parts
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides an ultrasonic surgical blade with a disposable blade, comprising: an ultrasonic drive handle; the tail part of the cutter head is provided with a connecting thread structure and is used for being connected with the ultrasonic driving handle; the cutter head sheath is sleeved outside the cutter head through a fixed connection structure; the recovery prevention assembly is arranged at the front ends of the cutter head and the cutter head sheath and is used for covering the front ends of the cutter head after use. The tool bit sheath, the tool bit and the manual switch are formed into the disposable assembly, the use is convenient and quick, the tool bit can be used only by connecting the tool bit with an ultrasonic driving handle, the recovery prevention assembly is arranged, the front ends of the tool bit and the tool bit sheath are covered after the use, the repeated use can be prevented, the tool bit can be shielded rapidly, and the damage to the tool bit is avoided.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a surgical ultrasonic knife with a disposable knife head.
Background
Currently, ultrasonic surgical blades are increasingly used in surgical procedures. Currently, ultrasonic surgical instruments are increasingly used in surgical operations. The existing ultrasonic surgical instruments then have some drawbacks and deficiencies in their construction.
In many surgical operations (such as bone surgery and neurosurgery), the tool bit of the ultrasonic surgical knife needs to directly enter a patient for performing operation, the existing ultrasonic surgical knife is often reused, and firstly, very high-specification sterilization is needed, so that manpower and physical consumption are additionally consumed, and the operation cost of a hospital is increased; secondly, the repeatedly used knife tool can cause surgical infection or infectious diseases, and has potential safety hazard.
In addition, after the existing tool bit is connected with the ultrasonic driving handle, a tool bit sheath is arranged at the tool bit part and used for protecting the tool bit at the non-acting part of the waveguide section, and the sheath is also fixed on the handle at the same time.
Disclosure of Invention
The invention aims to solve the problems, and aims to provide the surgical ultrasonic knife with the disposable knife head, which comprises the knife head sheath, the knife head and the manual switch which are formed into the disposable assembly, is convenient and quick to use, can be used only by connecting the knife head with an ultrasonic driving handle, is provided with the recovery prevention assembly, and can cover the front ends of the knife head and the knife head sheath after being used, thereby preventing the repeated use, shielding the knife head rapidly and avoiding the injury of the knife head.
In order to achieve the purpose, the invention adopts the following specific technical scheme:
an ultrasonic surgical blade having a single-use blade head, comprising:
an ultrasonic drive handle;
the tail part of the cutter head is provided with a connecting thread structure and is used for being connected with the ultrasonic driving handle;
the cutter head sheath is sleeved outside the cutter head through a fixed connection structure;
the recovery prevention assembly is arranged at the front ends of the cutter head and the cutter head sheath and is used for covering the front ends of the cutter head after use.
Further, the cutter head and the cutter head sheath are made of medical stainless steel.
Further, the cutter head and the cutter head sheath are fixedly connected through at least one pin and pin hole connecting structure, wherein the pin comprises a metal inner core and a silica gel damping sleeve wrapping the metal inner core; the pin holes are formed in the cutter head and the cutter head sheath at the same time.
Further, the tool bit and the tool bit sheath are fixedly connected through at least one spline connection structure.
Further, a switch assembly is included.
Further, the switch assembly comprises a switch button arranged on the cutter head sheath, a conductive slip ring and a connecting cable connected with the switch button and the conductive slip ring.
Further, the switch assembly comprises a switch button and a wireless signal transmitter, wherein the switch button and the wireless signal transmitter are arranged on the cutter head sheath, the wireless signal transmitter receives a switch signal of the switch button and transmits the switch signal to a host, and the host drives or stops the ultrasonic driving handle according to the switch signal.
Further, the anti-recycling assembly includes:
the cover body is sleeved at the front part of the cutter head sheath, and a front fixing groove is formed in the front end of the cover body;
a protrusion formed on the outer wall of the bit sheath, the protrusion having a rear fixing groove;
the spring is sleeved outside the cutter head sheath, and two ends of the spring are respectively fixed in the front fixing groove and the rear fixing groove;
the rear end of the cover body is provided with a hook-shaped part, the outer wall of the cutter head sheath is provided with a limit annular bulge, and the hook-shaped part and the limit annular bulge form a destructive limit assembly;
the side wall of the cover body is provided with at least one guide groove, and the outer wall of the cutter head sheath is provided with at least one guide rod corresponding to the at least one guide groove.
Further, the spring is a compression spring, and when the destructive limiting component is in a buckling state, the spring is in a compressed state.
Further, when the destructive limiting component is destroyed and is released from limiting, under the action of the elasticity of the spring, the cover body slides towards the front end of the cutter head to cover the front end of the cutter head until the guide rod is in contact with the rear end of the guide groove.
Through adopting above-mentioned technical scheme, connect tool bit sheath, tool bit and manual switch part as a whole, when using, be connected with supersound driving handle through the screw thread of tool bit afterbody, can disposable in the operation, connected mode convenient and fast, owing to adopt disposable design, need not to disinfect repeatedly, reduced the requirement to disinfection means and disinfection environment in the aspect of the hospital to use manpower and material resources sparingly. In addition, through involving preventing recovery unit, after once using, cover the front end of tool bit through the cover body, make the ultrasonic surgery tool bit difficult to directly retrieve, avoid lawless persons to use repeatedly.
Drawings
FIG. 1 is a schematic view of a surgical ultrasonic blade having a disposable blade head according to one embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In one embodiment, there is provided an ultrasonic surgical blade having a single-use blade head, comprising:
the tail part of the cutter head 1 is provided with a connecting thread structure and is used for being connected with an ultrasonic driving handle 2;
the cutter head sheath 3 is sleeved outside the cutter head 1 through a fixed connection structure;
the recovery prevention assembly is arranged at the front ends of the cutter head 1 and the cutter head sheath 3 and is used for covering the front end of the cutter head 1 after use.
Specifically, the material of the cutter head 1 and the cutter head sheath 3 is medical stainless steel, for example 304 stainless steel.
In the embodiment, the cutter head 1 and the cutter head sheath 3 are fixedly connected through at least a pin 4 and a pin hole connecting structure, wherein the pin 4 comprises a metal inner core and a silica gel damping sleeve wrapping the metal inner core; the pin holes are simultaneously formed in the cutter head 1 and the cutter head sheath 3.
In other implementations, the tool bit and the tool bit sheath may also be fixedly connected by at least one spline connection.
In addition, the ultrasonic surgical knife comprises a switch assembly 5, wherein the switch assembly 5 specifically comprises a switch button arranged on the knife head sheath 3, a conductive slip ring and a connecting cable for connecting the switch button and the conductive slip ring, and the specific structure can refer to the existing ultrasonic surgical knife.
In addition, the switch assembly further comprises a switch button and a wireless signal transmitter which are arranged on the cutter head sheath, wherein the wireless signal transmitter receives a switch signal of the switch button and transmits the switch signal to a host, and the host drives or stops the ultrasonic driving handle according to the switch signal.
The anti-recycling assembly includes:
a cover body 6 sleeved at the front part of the cutter head sheath 3, and a front fixing groove is arranged in the front end of the cover body;
a protrusion 7 formed on the outer wall of the bit housing 3, the protrusion 7 having a rear fixing groove;
the spring 8 is sleeved outside the cutter head sheath 3, and two ends of the spring 8 are respectively fixed in the front fixing groove and the rear fixing groove;
the rear end of the cover body 6 is provided with a hook-shaped part 9, the outer wall of the cutter head sheath 3 is provided with a limit annular bulge 10, and the hook-shaped part 9 and the limit annular bulge 10 form a destructive limit assembly;
at least one guide groove 11 is formed on the side wall of the cover body 6, and at least one guide rod 12 corresponding to the at least one guide groove 11 is formed on the outer wall of the cutter head sheath 3.
Wherein, the spring 8 is a compression spring, and when the destructive limiting component is in a buckling state, the spring 8 is in a compression state.
When the destructive limiting component is destroyed and released from limiting, under the action of the elastic force of the spring 8, the cover body 6 slides towards the front end of the cutter head 1 to cover the front end of the cutter head 1 until the guide rod 12 contacts with the rear end of the guide groove 11 to stop contacting.
Through adopting above-mentioned technical scheme, connect tool bit sheath, tool bit and manual switch part as a whole, when using, be connected with supersound driving handle through the screw thread of tool bit afterbody, can disposable in the operation, connected mode convenient and fast.
Because the disposable design is adopted, repeated disinfection is not needed, the requirements of hospitals on disinfection means and disinfection environments are reduced, and manpower and material resources are saved. In addition, through involving preventing recovery unit, after once using, cover the front end of tool bit through the cover body, make the ultrasonic surgery tool bit difficult to directly retrieve, avoid lawless persons to use repeatedly.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (7)
1. A surgical ultrasonic blade having a disposable blade, comprising:
an ultrasonic drive handle;
the tail part of the cutter head is provided with a connecting thread structure and is used for being connected with the ultrasonic driving handle;
the cutter head sheath is sleeved outside the cutter head through a fixed connection structure;
the recovery prevention assembly is arranged at the front ends of the cutter head and the cutter head sheath and is used for covering the front ends of the cutter head after use;
the anti-recycling assembly includes:
the cover body is sleeved at the front part of the cutter head sheath, and a front fixing groove is formed in the front end of the cover body;
a protrusion formed on the outer wall of the bit sheath, the protrusion having a rear fixing groove;
the spring is sleeved outside the cutter head sheath, and two ends of the spring are respectively fixed in the front fixing groove and the rear fixing groove;
the rear end of the cover body is provided with a hook-shaped part, the outer wall of the cutter head sheath is provided with a limit annular bulge, and the hook-shaped part and the limit annular bulge form a destructive limit assembly;
the side wall of the cover body is provided with at least one guide groove, and the outer wall of the cutter head sheath is provided with at least one guide rod corresponding to the at least one guide groove;
the spring is a pressure spring, and when the destructive limiting assembly is in a buckling state, the spring is in a compression state;
when the destructive limiting assembly is destroyed and is released from limiting, the cover body slides towards the front end of the cutter head to cover the front end of the cutter head under the action of the elasticity of the spring until the guide rod is in contact with the rear end of the guide groove.
2. The ultrasonic surgical blade having a single-use blade of claim 1, wherein the blade and the blade sheath are made of medical stainless steel.
3. The ultrasonic surgical blade having a single-use blade of claim 1, wherein the blade and blade guard are fixedly connected by at least one pin and pin hole connection, wherein the pin comprises a metal core and a silicone damping sleeve surrounding the metal core; the pin holes are formed in the cutter head and the cutter head sheath at the same time.
4. The ultrasonic surgical blade having a single-use blade of claim 1, wherein the blade and blade guard are fixedly coupled by at least one spline connection.
5. The ultrasonic surgical blade having a single-use blade of claim 1, further comprising a switch assembly.
6. The ultrasonic surgical blade having a single-use blade of claim 5, wherein the switch assembly comprises a switch button disposed on the blade guard, an electrically conductive slip ring, and a connecting cable connecting the switch button and the electrically conductive slip ring.
7. The ultrasonic surgical blade having a single-use blade of claim 6, wherein the switch assembly comprises a switch button disposed on the blade guard and a wireless signal transmitter that receives a switch signal from the switch button and transmits the switch signal to a host computer that drives or stops the ultrasonic drive handle based on the switch signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411610.0A CN107928752B (en) | 2017-12-23 | 2017-12-23 | Surgical ultrasonic knife with disposable knife head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411610.0A CN107928752B (en) | 2017-12-23 | 2017-12-23 | Surgical ultrasonic knife with disposable knife head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107928752A CN107928752A (en) | 2018-04-20 |
| CN107928752B true CN107928752B (en) | 2024-02-27 |
Family
ID=61938753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411610.0A Active CN107928752B (en) | 2017-12-23 | 2017-12-23 | Surgical ultrasonic knife with disposable knife head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107928752B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110916766A (en) * | 2019-12-13 | 2020-03-27 | 青岛大学 | Ultrasonic knife for hepatectomy and using method thereof |
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| US5215535A (en) * | 1992-05-20 | 1993-06-01 | Gettig Technologies Incorporated | Needle protector apparatus |
| TWM252431U (en) * | 2004-02-20 | 2004-12-11 | Wei-Ting Jang | Self-ejecting-type device for shielding of needle |
| CN1745721A (en) * | 2005-07-15 | 2006-03-15 | 北京博达高科技有限公司 | Bone-operating ultrasonic knife with expanding function |
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| CN106621080A (en) * | 2017-02-24 | 2017-05-10 | 厚凯（天津）医疗科技有限公司 | Ultrasonic scalpel provided with disposable knife head |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102835992B (en) * | 2012-09-05 | 2014-09-17 | 苏州施莱医疗器械有限公司 | Disposable scalpel blade assembly and assorted non-disposable scalpel handle |
| CN110448357B (en) * | 2019-08-15 | 2024-01-09 | 以诺康医疗科技（苏州）有限公司 | Reusable ultrasonic surgical knife |
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2017
- 2017-12-23 CN CN201711411610.0A patent/CN107928752B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5215535A (en) * | 1992-05-20 | 1993-06-01 | Gettig Technologies Incorporated | Needle protector apparatus |
| TWM252431U (en) * | 2004-02-20 | 2004-12-11 | Wei-Ting Jang | Self-ejecting-type device for shielding of needle |
| CN1745721A (en) * | 2005-07-15 | 2006-03-15 | 北京博达高科技有限公司 | Bone-operating ultrasonic knife with expanding function |
| CN201029914Y (en) * | 2007-02-01 | 2008-03-05 | 钱倚天 | Sheath of surgical knife blade |
| CN103976776A (en) * | 2014-05-27 | 2014-08-13 | 苏州施莱医疗器械有限公司 | Disposable safety scalpel |
| CN104307072A (en) * | 2014-10-29 | 2015-01-28 | 杭州普昂医疗科技有限公司 | Safety insulin pen |
| CN204501618U (en) * | 2015-01-25 | 2015-07-29 | 青岛市市立医院 | A kind of acupuncture point thread embedding needle cutter |
| WO2016127303A1 (en) * | 2015-02-10 | 2016-08-18 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic surgical device |
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| CN205814790U (en) * | 2016-06-20 | 2016-12-21 | 中国人民解放军第三军医大学第一附属医院 | Telescopic Anti-stabbing blood taking needle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107928752A (en) | 2018-04-20 |
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Effective date of registration: 20231214 Address after: Room 2201, 22/F, Building 5, Building 3, No. 111, Wusongjiang Avenue, Guoxiang Street, Wuzhong District, Suzhou City, Jiangsu Province, 215100 Applicant after: Bosyan Biotechnology (Suzhou) Co.,Ltd. Address before: 251700 No. 396 Sun Wu Five Road, Huimin County, Binzhou City, Shandong Province Applicant before: Yin Yueyue |
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